Pith Number

pith:2AXOQLPC

pith:2021:2AXOQLPCUXG7MWX3ZMWV5AHR6A

not attested not anchored not stored refs pending

Deep Contrast and Companion Detection Using the EvWaCo Testbed Equipped with an Achromatic Focal Plane Mask and an Adjustable Inner Working Angle

A. Berdeu, A. Inpan, A. Kawinkij, A. Laoyang, A. Leckngam, A. Prasit, B. Soonthornthum, C. Buisset, D. Mkrtichian, E. Semenko, \'E. Thi\'ebaut, G. Thuammasorn, M.A. Alagao, M. Langlois, M. Tallon, P. Kaewsamoeta, P. Rittipruk, S. Awiphan, S. Kanthum, S. Poshyachinda, T. Kuha, T. L\'epine, W. Somboonchai, Y. Rabbia

arxiv:2103.10044 v2 · 2021-03-18 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2AXOQLPCUXG7MWX3ZMWV5AHR6A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:24:41.111053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d02ee82de2a5cdf65afbcb2d5e80f1f0016453e32781d7aaa16918995a1fb2a4

Aliases

arxiv: 2103.10044 · arxiv_version: 2103.10044v2 · doi: 10.48550/arxiv.2103.10044 · pith_short_12: 2AXOQLPCUXG7 · pith_short_16: 2AXOQLPCUXG7MWX3 · pith_short_8: 2AXOQLPC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2AXOQLPCUXG7MWX3ZMWV5AHR6A \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d02ee82de2a5cdf65afbcb2d5e80f1f0016453e32781d7aaa16918995a1fb2a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "439551464d88f035ae267d9c85fb8cdbc7b127a01897cae8e6a3503ee3165286",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-03-18T06:39:26Z",
    "title_canon_sha256": "5c621525dfc88bcfb168291838e2ee817aeb8e095dca8cf3820a73241b66b0f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10044",
    "kind": "arxiv",
    "version": 2
  }
}